Piston Rings - PIAGGIO Beverly 125 Service Station Manual

Characteristics

Piston rings

Name
Compression ring
Oil scraper ring
Oil scraper ring
Crankcase - crankshaft - connecting rod
CRANKCASE - CRANKSHAFT- CRANKSHAFT HALF-BEARINGS
Name
Crankshaft half-bearing
Crankshaft half-bearing
Crankshaft half-bearing
Crankshaft class 1 -
Crankcase class 1
Crankshaft class 1 -
Crankcase class 2
Crankshaft class 2 -
Crankcase class 1
Crankshaft class 2 -
Crankcase class 2
Crankshaft
Crankshaft
Crankcase
Crankcase
Fitting clearance
Crankshaft/ crankcase axial clearance 0.15 - 0.40 mm (when cold)
CHAR - 16
ENGINE SEALING RINGS
Description Dimensions
57 x 1
57 x 1
57 x 2.5
Description Dimensions
Beverly 125
Initials
A 0.15 ÷ 0.30
A 0.10 ÷ 0.30
A 0.15 ÷ 0.35
Initials
Type A - red 1.970 ÷ 1.973
Category B - blue 1.973 ÷ 1.976
Type C - yellow 1.976 ÷ 1.979
C - C
B - B
B - B
A - A
Category 1 28.998 ÷ 29.004
Class 2 29.004 ÷ 29.010
Category 1 32.959 ÷ 32.965
Class 2 32.953 ÷ 32.959
Quantity
Quantity